How browser understand javascript

Question

people may write simple javascript or object oriented javascript. tell me how any latest browser read javascript and execute it to bring the effect ?   i heard javascript is interpreted by browser because browser use interpreter not compiler but today some where i read browser use JIT compilter to run the javascript .   so please some one tell me the flow how browser execute the javascript or redirect me to relevant web site for in depth article. thanks

Madhanmohan Devarajan · Accepted Answer

Here are few links that may help you understand how Javascript is executed in browser.   http://stackoverflow.com/questions/22105343/how-javascript-is-getting-executed-in-browser-by-javascript-engine   http://stackoverflow.com/questions/5317190/how-do-browsers-execute-javascript     Note: Please accept this answer, if it is helpful for you.